Home / 352,023.80-528,035.70-331,287.80

Finding the Fourth Proportional to 352,023.80, 528,035.70 and 331,287.80

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Solution

The fourth proportional to 352,023.80, 528,035.70 and 331,287.80 is: 496,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,023.80 : 528,035.70 = 331,287.80 : x
  2. Step 2: Convert to fraction form
    352,023.80/528,035.70 = 331,287.80/x
  3. Step 3: Cross multiply
    352,023.80x = 528,035.70 × 331,287.80
  4. Step 4: Simplify right side
    352,023.80x = 174,931,785,374.46
  5. Step 5: Solve for x
    x = 174,931,785,374.46/352,023.80
  6. Step 6: Final answer
    x = 496,931.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.